Firefox 135.0 发布
elasticsearch 2.0.0 beta1 发布，主要更新内容如下：
- Pipeline Aggregations which allow you to run aggregations on the results of other aggregations, including derivatives, moving averages, and Holt Winters predictive algorithms.
- Better store compression to fit more data into your disks and file system cache.
- Better heap usage with doc-values-by-default, reduced memory usage during merges, and roaring bitsets for filter caching.
- Structured, readable, exceptions.
- Optimised query execution order, auto-caching of filters, and parent-child rewritten for faster queries.
- More reliance on feedback loops instead of settings for auto-regulation.
- Writes to transaction logs are atomic and durable by default.
- A big cleanup to type mappings to make them safe, unambiguous, and reliable.
- Binding only to localhost by default.
- Cluster state diffs for faster change propagation.
完整更新内容请看：release note
下载页面：v2.0.0-beta1
Elastic Search 是一个基于lucene”>Lucene构建的开源，分布式，RESTful搜索引擎。设计用于云计算中，能够达到实时搜索，稳定，可靠，快速，安装使用方便。支持通过HTTP使用JSON进行数据索引。
ElasticSearch 提供多种语言的客户端 API：
- Java API — 1.x — other versions
- JavaScript API — 2.4 — other versions
- Groovy API — 1.x — other versions
- .NET API
- PHP API — 1.0 — other versions
- Perl API
- Python API
- Ruby API
提供 Marvel 可视化监控台：
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